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Radium and Thorium Periodic Table


Thorium and Radium in Periodic Table


Periodic Table

Symbol
Ra   
Th   

Group Number
2   
16
0   
18

Period Number
7   
7   

Block
s block   
f block   

Element Family
Alkaline Earth   
Actinide   

CAS Number
7440144   
99+
7440326   
99+

Space Group Name
Im_ 3m   
P63/mmc   

Space Group Number
229.00   
1
194.00   
5

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